Tag: beetle
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Question of the Week – Rice Trunk

What is this piece of equipment used for? This piece of equipment is called a trunk and was historically used to manipulate the water levels in rice fields along the coast of South Carolina. The fields could be flooded or drained by adjusting the height of the doors (attached to the bottom of the three…
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Question of the Week – Stink Bugs

What has caused this gelatinous substance to ooze from a developing peach? This gelatinous substance is often called “gummosis” and can be caused by a number of things, such as disease, mechanical damage, cold damage, or insect damage. In this case, the most likely cause is stink bug feeding damage. When stink bugs feed on…
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Question of the Week – Ambrosia Beetle

What caused this small, toothpick-like mass of sawdust to protrude from from the trunk of this stressed peach tree? The small toothpick-like mass of sawdust protruding from the tree is often called a “frass toothpick” or “frass noodle”. The structure was created by an adult Ambrosia beetle (Xylosandrus spp.) female tunneling into the tree. …
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Question of the Week – Shothole borer

What caused the damage found on a dead branch of this peach tree? This damage was caused by a shothole borer. Shothole borers typically find a way into the wood through damage initially caused by sunburn or bark injury. Adult females bore into the bark and lay their eggs in the cambium layer of the…
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Question of the Week – Wireworm Damage

This week, the question was: What’s wrong with this sweetpotato that was found in a grocery store? While picking out the ingredients for my Thanksgiving sweetpotato cassarole, I found this sweetpotato full of holes. The holes are tell-tale signs of wireworm feeding. Wireworms are the soil-dwelling larvae of click beetles (Family: Elateridae). There are at…
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Question of the Week – Bess Beetles

This week, the question was: These beetles were found under a decaying log in the woods. What are they These are bess beetles, also called horned passalus beetles (Odontotaenius disjunctus). These are beneficial beetles that feed on decaying wood, helping it to break down further, which explains why they were found under a decaying log.…